DE3701785A1 - Steueranordnung fuer einen hubschrauberrotor - Google Patents
Steueranordnung fuer einen hubschrauberrotorInfo
- Publication number
- DE3701785A1 DE3701785A1 DE19873701785 DE3701785A DE3701785A1 DE 3701785 A1 DE3701785 A1 DE 3701785A1 DE 19873701785 DE19873701785 DE 19873701785 DE 3701785 A DE3701785 A DE 3701785A DE 3701785 A1 DE3701785 A1 DE 3701785A1
- Authority
- DE
- Germany
- Prior art keywords
- rotor
- value
- stop
- deceleration
- helicopter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
- B64C27/50—Blades foldable to facilitate stowage of aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/22—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
- B64C27/24—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft with rotor blades fixed in flight to act as lifting surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Control Of Position Or Direction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/822,353 US4678401A (en) | 1986-01-24 | 1986-01-24 | Rotor control system |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3701785A1 true DE3701785A1 (de) | 1987-07-30 |
Family
ID=25235787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873701785 Withdrawn DE3701785A1 (de) | 1986-01-24 | 1987-01-22 | Steueranordnung fuer einen hubschrauberrotor |
Country Status (5)
Country | Link |
---|---|
US (1) | US4678401A (it) |
DE (1) | DE3701785A1 (it) |
FR (1) | FR2597996B1 (it) |
GB (1) | GB2185830B (it) |
IT (1) | IT1201189B (it) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006028671A1 (de) * | 2006-06-22 | 2007-12-27 | Siemens Ag | Geregelte Rotorbremse |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4953098A (en) * | 1988-10-13 | 1990-08-28 | United Technologies Corporation | Higher harmonic control system for X-Wing aircraft |
US4980835A (en) * | 1988-10-13 | 1990-12-25 | United Technologies Corporation | Control law system for X-Wing aircraft |
US4965879A (en) * | 1988-10-13 | 1990-10-23 | United Technologies Corporation | X-wing fly-by-wire vehicle management system |
US5246188A (en) * | 1989-09-14 | 1993-09-21 | Koutsoupidis Theodore K | Wing turbines in conjuction with propulsion systems for aircraft and helicopters |
US5183387A (en) * | 1992-01-03 | 1993-02-02 | Allied-Signal, Inc. | Fault-tolerant apparatus for controlling blade pitch |
CA2231871C (en) * | 1995-09-13 | 2002-04-30 | Melvin D. Kyees | Apparatus for cooling fluids |
US6193464B1 (en) * | 1998-12-02 | 2001-02-27 | Mcdonnell Douglas Helicopter Company, | Active brake control for rotor/wing aircraft |
US7161314B2 (en) * | 2002-10-07 | 2007-01-09 | Denso Corporation | Motor control apparatus having current supply phase correction |
US8919692B2 (en) | 2009-04-28 | 2014-12-30 | Sikorsky Aircraft Corporation | Proximity sensor valve and lock system using same |
US9068818B2 (en) * | 2010-02-24 | 2015-06-30 | Sikorsky Aircraft Corporation | Drive mechanisms for variable diameter rotor systems |
US8680849B2 (en) | 2011-03-01 | 2014-03-25 | Hamilton Sundstrand Corporation | Spring loaded gear driven resolver |
US8768598B2 (en) * | 2011-12-26 | 2014-07-01 | Textron Innovations Inc. | Dual gain digital engine control |
US9975629B2 (en) * | 2016-05-24 | 2018-05-22 | Kitty Hawk Corporation | Control system for a stopped rotor aircraft |
US9944387B2 (en) | 2016-05-24 | 2018-04-17 | Kitty Hawk Corporation | Stopped rotor aircraft |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2880810A (en) * | 1955-03-03 | 1959-04-07 | United Aircraft Corp | Blade positioner |
CA909364A (en) * | 1969-02-04 | 1972-09-05 | William L. Carter, Jr. | Acceleration reference circuit |
US3698662A (en) * | 1970-10-12 | 1972-10-17 | Lockheed Aircraft Corp | Apparatus and method for sequencing the folding and unfolding of rotor blades in a compound vehicle |
US3986686A (en) * | 1975-06-02 | 1976-10-19 | Teledyne Ryan Aeronautical A Division Of Teledyne Industries, Inc. | Aircraft with retractable rotor wing |
US4046229A (en) * | 1975-12-12 | 1977-09-06 | Westinghouse Electric Corporation | Elevator system |
US4394889A (en) * | 1979-04-05 | 1983-07-26 | Otis Elevator Company | Modified slowdown and braking of an elevator car |
US4342378A (en) * | 1979-12-27 | 1982-08-03 | Otis Elevator Company | Elevator door motion bench velocity |
JPS5697106A (en) * | 1979-12-31 | 1981-08-05 | Fanuc Ltd | Controller for stopping in place for main shaft |
US4376979A (en) * | 1980-10-10 | 1983-03-15 | United Technologies Corporation | Updated lock-positioning of foldable helicopter blades |
US4354234A (en) * | 1980-10-10 | 1982-10-12 | United Technologies Corporation | Automatic lock-positioning of foldable helicopter blades |
-
1986
- 1986-01-24 US US06/822,353 patent/US4678401A/en not_active Expired - Fee Related
-
1987
- 1987-01-20 GB GB8701207A patent/GB2185830B/en not_active Expired
- 1987-01-22 DE DE19873701785 patent/DE3701785A1/de not_active Withdrawn
- 1987-01-23 IT IT19140/87A patent/IT1201189B/it active
- 1987-01-23 FR FR878700791A patent/FR2597996B1/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006028671A1 (de) * | 2006-06-22 | 2007-12-27 | Siemens Ag | Geregelte Rotorbremse |
Also Published As
Publication number | Publication date |
---|---|
GB8701207D0 (en) | 1987-02-25 |
GB2185830B (en) | 1989-12-06 |
GB2185830A (en) | 1987-07-29 |
US4678401A (en) | 1987-07-07 |
IT8719140A0 (it) | 1987-01-23 |
IT1201189B (it) | 1989-01-27 |
FR2597996A1 (fr) | 1987-10-30 |
FR2597996B1 (fr) | 1989-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8139 | Disposal/non-payment of the annual fee |